Posts by hcoker@dna-worldwide.co.uk
Drug Metabolites (Part 4): Child Cocaine Case Study
Cocaine Case Study The child is suspected of being in an environment where cocaine is frequently being consumed. Background: Participant - Child (Age 4) Type of testing - Hair strand testing (HST) Detection period - 4 months (segmented) Discussion: Cocaine... Read More
Drug Metabolites (Part 3): Cocaine Case Study
Cocaine Case Study The mother is trying to prove the cessation of cocaine in order to reinstate custody of her child. Background: Participants - Mother Type of testing - Hair strand testing (HST) Detection period - 3 months (segmented) No chemical... Read More
Drug testing: Drug Metabolites (Part 2)
In part 1 we touched on how metabolites assist in interpreting results, so this week we are going to look at this in more detail, and how a few common drugs and their metabolites can tell us about patterns of usage. We will follow this up in part 3 with a case study to illustrate how we at DNA... Read More
Drug testing: Drug Metabolites (Part 1)
What is a metabolite? When a drug has been consumed, the body breaks down the drug, in order to eliminate the drug from the body. During this “breakdown” chemical alteration to the main drug occurs and therefore creates a different substance; a metabolite. Drug metabolites are helpful in... Read More
Alcohol Blood Testing: Hair strand testing combined with PEth
Phosphatidylethanol (PEth) in the blood is a highly specific, stable, and sensitive marker that is capable of distinguishing between teetotallers, social, chronic and excessive drinking behaviour. It is considered a direct biomarker of alcohol meaning it is only produced after someone has... Read More